# Category: Electrostatics

#### Two identical pitch balls are charged by rubbing against each other. They are suspended from a horizontal rod ….

Q: Two identical pitch balls are charged by rubbing against each other. They are suspended from a horizontal rod through…

#### Two particles A and B having charges q and 2 q respectively are placed on a smooth table with a separation d…..

Q: Two particles A and B having charges q and 2 q respectively are placed on a smooth table with…

#### Two identical positive point charges Q each are fixed apart at a distance 2a. A point charge q lies mid way …..

Q: Two identical positive point charges Q each are fixed apart at a distance 2a. A point charge q lies…

#### A charge Q is to be divided in to two small objects.What should be the value of the charge on the objects ….

Q: A charge Q is to be divided in to two small objects.What should be the value of the charge…

#### Two free point charges +4e and +e are placed a distance ‘a’ apart. Where should a third point charge –q be placed…..

Q: Two free point charges +4e and +e are placed a distance ‘a’ apart. Where should a third point charge…

#### Two point charges +4e and +e are fixed a distance ‘a’ apart. Where should a third point charge q be placed on the line joining

Q:  Two point charges +4e and +e are fixed a distance ‘a’ apart. Where should a third point charge q…

#### Two identical charge, Q each, are kept at a distance r from each other. A third charge q is placed on the line joining ….

Q:  Two identical charge, Q each, are kept at a distance r from each other. A third charge q is…

#### Two particles, each having a mass of 5 gm and charge 1.0 × 10–7 C, stay in limiting equilibrium on a horizontal table …..

Q:  Two particles, each having a mass of 5 gm and charge 1.0 × 10–7 C, stay in limiting equilibrium…

#### Given a cube with point charges q on each of its vertices. Calculate the force exerted on any of the charges due to rest of the 7 charges ….

Q:  Given a cube with point charges q on each of its vertices. Calculate the force exerted on any of…

#### A block ‘A’ of charge q1 is fixed and second block of mass m and charge q2 is allowed to free on the floor ….

Q: A block ‘A’ of charge q1 is fixed and second block of mass m and charge q2 is allowed…

#### Ten charged particles are kept fixed on the X axis at point x = 10 mm , 20 mm , 30 mm , ………. 100 mm….

Q: Ten charged particles are kept fixed on the X axis at point x = 10 mm , 20 mm…

#### q1 is fixed and q2 is free to move then find out the velocity of q2 when it reaches distance r2 after it is release ….

Q:  If charge q1 is fixed and q2 is free to move then find out the velocity of q2 when…